<?php
/**
 * 定义抽象中介者类，就是商场的抽象，就一个sell方法
 * Created by PhpStorm.
 * User: liangtiehui
 * Date: 2016/5/4
 * Time: 16:03
 */

namespace Meidator;


interface Mediator
{
    public function sell($name, $number);
}